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How do I change screen orientation in the Android emulator?
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Ctrl+F12 is the keyboard shortcut.
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Opening the Settings app from another app
Okay, I know that there are many question about it, but they are all from many time ago.
17 Answers
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Create a new cmd.exe window from within another cmd.exe prompt
...my app but having it run within the same prompt as CC is causing CC to think the build continues as long as my app runs.
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Specifying an Index (Non-Unique Key) Using JPA
... eg email as having an index using JPA annotations. We need a non-unique key on email because there are literally millions of queries on this field per day, and its a bit slow without the key.
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ASP.NET MVC Performance
I found some wild remarks that ASP.NET MVC is 30x faster than ASP.NET WebForms. What real performance difference is there, has this been measured and what are the performance benefits.
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AngularJS HTTP post to PHP and undefined
...nput in PHP, and then deserialize the JSON.
That can be achieved in PHP like this:
$postdata = file_get_contents("php://input");
$request = json_decode($postdata);
$email = $request->email;
$pass = $request->password;
Alternately, if you are heavily relying on $_POST functionality, you can...
Rails Root directory path?
... add .to_s. If you want another path in your Rails app, you can use join like this:
Rails.root.join('app', 'assets', 'images', 'logo.png')
In Rails 2 you can use the RAILS_ROOT constant, which is a string.
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How to support UTF-8 encoding in Eclipse
...ing for all content types.
2) Window > Preferences > General > Workspace, set Text file encoding to Other : UTF-8
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Does Foreign Key improve query performance?
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Foreign Keys are a referential integrity tool, not a performance tool. At least in SQL Server, the creation of an FK does not create an associated index, and you should create indexes on all FK fields to improve look up times.
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Str_replace for multiple items
...ore, but can't find the code. I use str_replace to replace one character like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each.
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